Problems are not stop signs, they are guidelines.
If you think you can do it, you can.
Well done is better than well said.
Always desire to learn something useful.
To know oneself, one should assert oneself.
Either you run the day or the day runs you.
If you're going through hell, keep going.
The dog that trots about finds a bone.
Wherever you are - be all there.
I can, therefore I am.
Math is sometimes called the science of patterns.
A lot of the high-level sports are really in your mind.